Home » [Fix Lost IMEI]Download OxygenOS 3.5.7 for OnePlus 2

[Fix Lost IMEI]Download OxygenOS 3.5.7 for OnePlus 2

The Oneplus 2 sports a 16-megapixel rear camera with PDAF (phase detection autofocus), an f/2.0 aperture and dual-tone LED flash with OIS. The 5-megapixel front camera sports an 85-degree wide angle lens. The smartphone supports expandable storage via microSD card up to 128GB.It comes with 3300 mAh battery capacity which can last for more than a day with mixed usage.


If you are a oneplus 2 user,then you know that Oneplus has recently released update which is a huge update as it fixes all bugs,improves its performance.Everyone is giving good feedback about it but there was the problem in OnePlus 2 that was Lost IMEI but this problem is also now sorted out as new update OxygenOS 3.5.7 comes with functionality to fix lost IMEI.

So in this article we will tell the process of installing OxygenOS 3.5.7 ROM on OnePlus 2 and how to fix the issue.


Gammerson.com is not responsible for any damage happened to your device(s) while following this guide, Proceed at your own risk.


  • This method is only for the OnePlus 2.
  • Follow the steps correctly otherwise you may brick your device. We are not responsible for any damage to your phone.
  • It will not erase your data, but still, we advise you to take a complete back up of your phone and then proceed further
  • Ensure that your phone has at least 50-60% charged to prevent the accidental shutdown in-between the process.

Download OxygenOS 3.5.7 for OnePlus 2

  • OxygenOS 3.5.7 Full ROM for OnePlus 2 – Download

[Fix Lost IMEI]Download OxygenOS 3.5.7 for OnePlus 2

1}Enable ‘USB debugging’ option from setting>developer option>. To enable Developer Options, go to About phone and tap the Build Number 7 times.

2}Now download and install adb drivers on your pc

3}Download the OxygenOS 3.5.7 for OnePlus 2 from above Copy ROM to a folder where adb installed.

4}Now Turn Off your phone and boot into recovery mode.

5}Now Connect your phone to Laptop/PC

Now Connect your phone to Laptop/PC

6} On ROM folder press shift+right click and click on open command here.

7} Now check your connection by typing the below command

adb devices

 if your device is listed, you’re ready to flash the ROM

8}) Flash the OxygenOS 3.5.7 on OnePlus 2 by typing below command

adb sideload File Name.zip

9} Now wait until the process complete and then Reboot the phone.

10} Done!

If still any queries left in your mind,feel free to ask us in the comment section.

About the author

Himalaya Saxena

A web developer, Tech Enthusiast, debugger, blogger, and programmer.
I have the thirst to learn and create :)

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